Finding the Fourth Proportional to 8,193,916.68, 11,307,542.68 and 4,522,832.80
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Solution
The fourth proportional to 8,193,916.68, 11,307,542.68 and 4,522,832.80 is: 6,241,474.85
Step by Step Solution
- Step 1: Write the proportion equation
8,193,916.68 : 11,307,542.68 = 4,522,832.80 : x - Step 2: Convert to fraction form
8,193,916.68/11,307,542.68 = 4,522,832.80/x - Step 3: Cross multiply
8,193,916.68x = 11,307,542.68 × 4,522,832.80 - Step 4: Simplify right side
8,193,916.68x = 51,142,124,920,503.90 - Step 5: Solve for x
x = 51,142,124,920,503.90/8,193,916.68 - Step 6: Final answer
x = 6,241,474.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.